Initial import.

10 files changed, 328 insertions, 0 deletions

diff --git a/src/game/Makefile.am b/src/game/Makefile.am
new file mode 100644
index 0000000..754c168
--- /dev/null
+++ b/src/game/Makefile.am
@@ -0,0 +1,9 @@
+
+METASOURCES = AUTO
+libgame_la_LDFLAGS = -avoid-version
+noinst_LTLIBRARIES = libgame.la
+
+libgame_la_SOURCES = game.cc game.h ship.cc ship.h player.h world.h star.cc \
+		star.h sector.h
+INCLUDES = -I$(top_srcdir)/src
+noinst_HEADERS = world.h sector.h
diff --git a/src/game/game.cc b/src/game/game.cc
new file mode 100644
index 0000000..dfa5fe5
--- /dev/null
+++ b/src/game/game.cc
@@ -0,0 +1,31 @@
+/* 	game.cc
+	This file is part of the Osirion project
+*/
+
+// project headers
+#include "ship.h"
+#include "star.h"
+
+namespace game {
+
+Ship ship;
+Star star;
+bool initialized = false;
+
+void init() 
+{
+	star.location = Vector3f(256.0f, 0.0f, 256.0f);
+	initialized = true;
+}
+
+void shutdown()
+{
+	initialized = false;
+}
+
+void update(float elapsed) 
+{
+	ship.update(elapsed);
+}
+	
+}; // namespace game
diff --git a/src/game/game.h b/src/game/game.h
new file mode 100644
index 0000000..7c1cc0c
--- /dev/null
+++ b/src/game/game.h
@@ -0,0 +1,33 @@
+/* 	game.h
+	This file is part of the Osirion project
+*/
+
+#ifndef __INCLUDED_GAME_H__
+#define __INCLUDED_GAME_H__
+
+// project headers
+#include "ship.h"
+#include "star.h"
+
+namespace game
+{
+	/// initialize the game
+	void init();
+
+	/// shutdown the game
+	void shutdown();
+
+	/// update the game state
+	void update(float elapsed);
+
+	/// the only ship in the game
+	extern Ship ship;
+
+	/// the only star in the game
+	extern Star star;
+
+	/// true while the game is running
+	extern bool initialized;
+};
+
+#endif // __INCLUDED_GAME_H__
diff --git a/src/game/player.h b/src/game/player.h
new file mode 100644
index 0000000..4c75206
--- /dev/null
+++ b/src/game/player.h
@@ -0,0 +1,20 @@
+/* player.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_PLAyER_H__
+#define __INCLUDED_PLAyER_H__
+
+#include <string>
+
+/// A player in the game
+class Player {
+public:
+	Player();
+	~Player();
+
+	std::string name;
+};
+
+#endif // __INCLUDED_PLAyER_H__
diff --git a/src/game/sector.h b/src/game/sector.h
new file mode 100644
index 0000000..10f548c
--- /dev/null
+++ b/src/game/sector.h
@@ -0,0 +1,26 @@
+/* sector.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_SECTOR_H__
+#define __INCLUDED_SECTOR_H__
+
+#include <string>
+
+namespace game
+{
+class Sector {
+public:
+	Sector();
+	~Sector();
+
+	/// tag used in configuration files, e.g. "terran"
+	std::string tag;
+	/// name to display, e.g. "Terran System"
+	std::string name;
+};
+
+} // namespace game
+
+#endif // __INCLUDED_SECTOR_H__
diff --git a/src/game/ship.cc b/src/game/ship.cc
new file mode 100644
index 0000000..a24be0d
--- /dev/null
+++ b/src/game/ship.cc
@@ -0,0 +1,85 @@
+/* 	ship.cc
+	This file is part of the Osirion project
+*/
+
+// C++ headers
+#include <iostream>
+
+// project headers
+#include "common/functions.h"
+#include "common/osirion.h"
+
+#include "ship.h"
+
+Ship::Ship()
+{
+	speed = 0;
+	yaw = 0;
+	yaw_offset = 0;
+
+	thrust = 0;
+	
+	// ship specs
+	acceleration = 6 * GAMESCALE;
+	max_speed = 16.0f * GAMESCALE;
+	
+	max_yaw_offset = 45;
+	yaw_speed = 4;
+}
+
+Ship::~Ship() 
+{
+}
+
+void Ship::update(float elapsed) 
+{
+	// update yaw
+	float d = yaw_speed * elapsed * yaw_offset;
+	yaw_offset -= d;
+	yaw +=d;
+
+	// update thrust
+	if (speed < thrust * max_speed) {
+		speed += acceleration * elapsed;
+		if (speed > thrust * max_speed) {
+			speed = thrust * max_speed;
+		}
+	} else if(speed > thrust * max_speed) {
+		speed -= acceleration * elapsed;
+		if (speed < 0) speed = 0;
+	}
+
+	// location TODO avoid sin/cos calculations
+	location.x += cosf(yaw * M_PI / 180) * speed * elapsed;
+	location.z -= sinf(yaw * M_PI / 180) * speed * elapsed;
+}
+
+
+void Ship::thrust_increase()
+{
+	thrust += 0.05;
+	if (thrust > 1) thrust = 1;
+}
+
+void Ship::thrust_decrease()
+{
+	thrust -= 0.08;
+	if (thrust < 0) thrust = 0;
+}
+
+void Ship::turn_left() 
+{
+	//yaw = degreesf(yaw + 2);
+	yaw_offset += 2;
+	if (yaw_offset > max_yaw_offset)
+		yaw_offset = max_yaw_offset;
+}
+
+void Ship::turn_right() 
+{
+	//yaw = degreesf(yaw - 2);
+	yaw_offset -= 2;
+	if (yaw_offset < -max_yaw_offset)
+		yaw_offset = - max_yaw_offset;
+}
+
diff --git a/src/game/ship.h b/src/game/ship.h
new file mode 100644
index 0000000..d6a00ba
--- /dev/null
+++ b/src/game/ship.h
@@ -0,0 +1,54 @@
+/* 	ship.h
+	This file is part of the Osirion project
+*/
+
+#ifndef __INCLUDED_SHIP_H__
+#define __INCLUDED_SHIP_H__
+
+// project headers
+#include "common/vector3f.h"
+
+class Ship 
+{
+public:
+	Ship();
+	~Ship();
+
+	/// update the ship state
+	void update(float elapsed);
+
+	/// location of the ship in space
+	Vector3f location;
+	/// speed vector in units/second
+	float speed;
+
+	/// turn left, increase yaw_offset
+	void turn_left();
+	/// turn right, decrease yaw_offset
+	void turn_right();
+	/// yaw, angle in the x/z plane
+	float yaw;
+	
+	/// increase thrust
+	void thrust_increase();
+	/// decrease thrust
+	void thrust_decrease();
+	/// forward thruster in % [0-1]
+	float thrust;
+
+	/* -- Ship SPECS --*/
+	/// acceleration
+	float acceleration;
+	/// maximum speed
+	float max_speed;
+	/// maximum yaw_offset
+	float max_yaw_offset;
+	/// yaw turn speed
+	float yaw_speed;
+
+private:
+	float yaw_offset;
+};
+
+#endif // __INCLUDED_SHIP_H__
+
diff --git a/src/game/star.cc b/src/game/star.cc
new file mode 100644
index 0000000..6aa82ac
--- /dev/null
+++ b/src/game/star.cc
@@ -0,0 +1,17 @@
+/* star.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#include "star.h"
+
+Star::Star() : 
+	location(0,0,0), 
+	color(1,1,1,1)
+{
+	radius = 48;
+}
+
+Star::~Star()
+{
+}
diff --git a/src/game/star.h b/src/game/star.h
new file mode 100644
index 0000000..ef33ad5
--- /dev/null
+++ b/src/game/star.h
@@ -0,0 +1,29 @@
+/* star.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_STAR_H__
+#define __INCLUDED_STAR_H__
+
+// C++ headers
+#include <string>
+
+// project headers
+#include "common/vector3f.h"
+#include "common/color.h"
+
+/// A star, that shines so bright
+class Star {
+public:
+	Star();
+	~Star();
+
+	Vector3f location;
+	Color color;
+	float radius;
+
+	std::string name;
+};
+
+#endif // __INCLUDED_STAR_H__
diff --git a/src/game/world.h b/src/game/world.h
new file mode 100644
index 0000000..8cbc232
--- /dev/null
+++ b/src/game/world.h
@@ -0,0 +1,24 @@
+/* world.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_WORLD_H__
+#define __INCLUDED_WORLD_H__
+
+#include <string>
+
+namespace game
+{
+
+/// The game world
+namespace World {
+	/// load the intial game world into memory 
+	void init();
+	/// unload the game world
+	void shutdown();
+};
+
+} // namespace game
+
+#endif // __INCLUDED_WORLD_H__